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Graco 234405 Air Filter and Coalescer System

The Graco 234405 System Air Filter with Coalescer delivers clean, dry compressed air by removing moisture, oil mist, and fine contaminants, helping protect air-powered equipment and improve spray performance.

  • Two-stage air filter with coalescing system
  • Removes water, oil aerosols, and fine particles
  • 1/2 in. NPT inlet and outlet connections
  • Automatic drain for moisture removal
  • Ideal for spray guns and pneumatic systems

Retail Price: $761
You save: $76.1 (10.00%)
Our Price: $684.9
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Graco 234405 System Air Filter with Coalescer

Compatible Machines & Applications

The Graco 234405 System Air Filter with Coalescer is installed directly into compressed air supply lines. It is not limited to a single machine model and is compatible with a wide range of air-powered systems.

  • Air-assisted and air spray guns
  • Automotive refinishing spray systems
  • Industrial pneumatic paint sprayers
  • Compressed air lines supplying shop tools
  • Air-operated Graco finishing equipment
  • Any compressed air system using 1/2 in. NPT connections

Product Overview

The Graco 234405 System Air Filter with Coalescer is a two-stage air filtration unit designed to deliver clean, dry air to air-powered equipment. It removes moisture, oil aerosols, and fine contaminants that can negatively affect spray quality and equipment performance.

By improving air quality at the source, this system helps reduce surface defects, prevents internal corrosion, and extends the service life of pneumatic tools and spray equipment.

Key Features

Filtration Type Two-stage air filter with coalescing element
Function Removes water, oil mist, and fine particles from compressed air
Connection Size 1/2 in. NPT female inlet and outlet
Drain Type Automatic drain for moisture and oil removal
Application Paint spraying, finishing, and general pneumatic air systems

Benefits

  • Provides consistent clean and dry air supply
  • Improves spray finish quality
  • Reduces maintenance and downtime
  • Protects air-powered equipment from contamination damage
  • Suitable for professional and industrial environments

Frequently Asked Questions

A coalescer system removes oil aerosols, moisture, and very fine contaminants from compressed air, ensuring clean air delivery to sensitive equipment.

No. This system fits any compressed air setup using standard 1/2 in. NPT air connections, including non-Graco air-powered equipment.

It should be installed in the main air supply line, ideally downstream of the compressor and before the air reaches spray guns or tools.

Yes. Periodic inspection and replacement of the filter and coalescing elements are recommended to maintain optimal performance.

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